Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to make a planchette [title] Choose a material. [step] Traditionally, planchettes are made from a thin piece of attractive wood, such as birch, mahogany, or oak. However, you can make a planchette from any lightweight material, such as thick cardboard, utility board, or a clear hard sheet of plastic. <sep> (A) Find a material that is sturdy enough to withstand scraping, such as a cotton or canvas. [substeps] Crystal planchettes are good options for beginners because they are straightforward to use and won't require a much scrapping or sanding. (B) However, you can also use cloth planchettes, which are transparent, to go with planchettes. You can also buy them from craft stores. (C) Too much wood can damage your planchettes. [substeps] Bamboo is a particularly good choice, as it holds up well to pressure and durability. (D) [title] Cut out a planchette shape. [step] Use a utility knife (for cardboard), a saw (for wood), or a plastic scoring knife (for plastic) to cut your planchette into the desired shape.

D